45. Joaquin Phoenix
Notable Roles: Gladiator (2000); Walk the Line (2005); The Master (2012); Signs (2002)
River's younger brother got his start in TV commercials around the same time of River's success, and emerged from his brother's shadow to become a critics' darling in the mid-90's shortly after his brother's death. Known for his husky voice and ability to overcome his imperfections, Kate Winslet called Joaquin the best actor of his generation.